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<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<img src="scau.jpg" id="scau_img_download"/>
<script language="javascript">
var img=document.getElementById("scau_img_download");
img.onclick=function(){
	alert("华南农业大学欢迎您！！");
}
</script>
<img src="scau.jpg" onclick='alert("华南农业大学")'/>
</body>
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